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Increase WMI memory to support large volume of queries

Windows Server / By Jan Reilink / 30/08/2021

Since I started expanding my Zabbix scripts and templates for monitoring Windows Server instances – AD, IIS and SQL Server – I found WMI was failing more and more. WMI stopped working: WmiPrvse.exe would just crash after hitting some memory limit of 512 MB. If you run into the same issue with Windows Management Instrumentation, here is how you can increase WMI Provider Service’s memory quota. Doing so resolved my issues.

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WMI Filters for Group Policy to manage Windows Server versions

Windows Server / By Jan Reilink / 27/01/2020

This post contains some example WMI filters for you to use in Group Policy Objects (GPOs) to target and manage specific Windows Server versions like 2012R2, 2016 and Windows Server 2019. Using the Windows Management Infrastructure, or WMI, Windows admins can create filters to apply GPOs more granular on specific versions of Windows Server. In this post I provide some basic examples.

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WMI/netsh to add DNS servers on network adapters

Windows Server / By Jan Reilink / 12/12/2014

Image of a phone book. Domain Name Servers (DNS) are the Internet's equivalent of a phone book

How to add DNS servers -or resolvers- to a Windows Server network adapter, or interface using WMI and the netsh command annd PowerShell. This one is quite old but may come in handy sometimes. In this example we use Google’s Public DNS server addresses and localhost to add as DNS Servers on our server’s interfaces.

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Windows SID to username and vice versa

Windows Server / By Jan Reilink / 06/09/2023

magnifying glass near gray laptop computer

Sometimes you need to convert a Windows SID (security identifier) to an username, or vice versa (username to SID). In this post I show you a couple of methods to translate the one into the other using VBScript and PowerShell.

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Get IIS Current Connections using PowerShell

Windows Server / By Jan Reilink / 12/08/2023

Do you want to know how to get the current number of connections to IIS hosted websites? The information is stored in Windows Server Performance Counters, and you can get it using Get-Counter cmdlet in PowerShell of course. But in post I’ll show you a different -and perhaps even faster- method using WMI/CIM and Win32_PerfRawData_W3SVC_WebService. Read on…

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Monitor SQL Server and databases in depth using Zabbix

Windows Server / By Jan Reilink / 20/12/2022

SQL Server performance monitoring in Zabbix: Keeping your SQL Server and databases in top shape is key for a good performing SQL Server database server and its databases. A good performing server makes happy customers, and that’s what puts bread on the plank, right? In this post I’ll show you how you can use Windows Performance counters, PowerShell and Zabbix for in depth monitoring of your SQL Server server and SQL databases.

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Monitor .NET CLR Garbage Collected heap from your web application

Windows Server / By Jan Reilink / 04/02/2022

Are you worried about your .NET webapp running out of memory? In order to let your .NET (web) application run smooth over a longer period of time, it is important to monitor the .NET CLR Garbage Collector (GC) and collection. The what? The .NET Common Language Runtime Garbage Collector. Here is how you can monitor this in a Zabbix template using Powershell WMI / CIM and Win32_PerfRawData_NETFramework_NETCLRMemory Windows Performance Counters.

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Getting more out your Windows Performance Counters monitoring for web applications – part 3

Windows Server / By Jan Reilink / 14/04/2021

This is part 3 about Zabbix monitoring for your websites and ASP.NET applications in IIS. This time I’ll show you how to get data from Win32_PerfRawData_PerfProc_Process counter, fast, for everey application pool This counter is notorious for its slowness, but you can get data a bit faster. IIS AppPool Insights in Zabbix – because there is always more than one way.

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Monitor IIS application pools in Zabbix, part 1

Windows Server / By Jan Reilink / 27/02/2021

Zabbix can harnas the powers of WMI (Windows Management Instrumentation) to query the Windows system for data. In Zabbix you use wmi.getall for this. Here is a small introduction to query the number of running w3wp.exe processes per application pool in Zabbix so you can start monitoring Microsoft Windows Server IIS with Zabbix.

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Use -SearchBase with Get-ADComputer for faster results

PowerShell / By Jan Reilink / 15/08/2019

This might be specific to my Windows Server environment and PoSH scripting, but using -SeachBase with PowerShell’s Get-ADComputer gives me faster results. You can use this for your own advantage, here is a little example to speed up AD DS queries.

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Install Windows Server Servicing Stack Updates (SSU) using PowerShell

PowerShell, Windows Server / By Jan Reilink / 12/06/2019

You can install Servicing Stack Updates (SSU) for Windows Server 2012R2, 2016 and Windows Server 2019 using PowerShell, without downtime. Because they must be installed prior to your normal Windows Server security updates, you can install them anytime you want to during the day. Here’s a small PowerShell example to do so.

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Windows Server 2016 on Hyper-V stuck at stopping

Windows Server / By Jan Reilink / 28/02/2018

If a Windows Server 2016 guest VM on Hyper-V hangs while stopping after Windows Updates, and it won’t reboot, it might be caused by the recovery debug information type set. Especially when you have moved the Windows PageFile to a different partition/VHDX.

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How to detect ethernet network speed in Windows

PowerShell / By Jan Reilink / 12/05/2017

Detect the ethernet network speed using PowerShell or WMI is perfect for Windows Server Core. If you ever need to lookup the speed of your ethernet network card in Windows, on the command-line, use one of the following WMIC commands on your PowerShell prompt:

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Enable NTFS long paths GPO in Windows Server 2022, 2019 and Windows Server 2016

Windows Server / By Jan Reilink / 20/10/2016

this screen is a settings overview for the created GPO

Windows Server 2016 was finally released last week, meaning we can finally lift the idiotic 260 characters limitation for NTFS paths. In this post I’ll show you how to configure the Enable Win32 long paths setting for the NTFS file system, by a Group Policy Object (a GPO). The NTFS long paths GPO is still required for Windows Server 2022 and Windows Server 2019.

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5 Extra ways to clean up disk space in Windows Server

Windows Server / By Jan Reilink / 16/08/2016

Disk cleanup in Windows Server using DISM is one of the most popular posts here on Saotn.org. It is still valid for Windows Server 2016 and up. So apparently, disk space usage is an issue in Windows Server. Which made me wonder: what more ways to clean up disk space in Windows Server are there?

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